Objective To observe the clinical efficacy and safety of conbercept injection in the treatment of neovascular eye disease. Methods Thirty patients with neovascular eye disease were selected as research objects, which were given conbercept 0. 2 m L, injected into the glass cavity. Before operation and 3 months after operation, the changes of vision, central macular thickness (CMT) , serum levels of vascular endothelial growth factor (VEGF) , retinal blood flow and adverse drug reactions were observed. Results 3 months after operation and before operation, the vision were (0. 49 ± 0. 05) and (0. 68 ± 0. 12) logMAR, CMT were (196. 48 ± 11. 60) and (250. 23 ± 16. 45) μm, VEGF were (96. 85 ± 14. 61) and (152. 04 ± 13. 75) ng·L-1, peak systolic velocity were (10. 90 ± 1. 87) and (8. 38 ± 1. 46) cm·s-1, end-diastolic velocity were (3. 21 ± 0. 37) and (2. 06 ± 0. 29) cm·s-1, resistance indexes were (0. 57 ± 0. 09) and (0. 70 ± 0. 11) , maximum systolic flow velocity were (7. 27 ± 0. 82) and (8. 55 ± 1. 09) cm · s-1, minimum diastolic flow velocity were (4. 04 ± 0. 81) and (5. 08 ± 0. 99) cm·s-1, the differences were statistically significant (all P < 0. 05) . There were no adverse drug reactions observed in all patients during the treatment.Conclusion Conbercept injection has a safety in the treatment of neovascular eye disease, which can significantly decrease the patients 'serum levels of VEGF and improve the vision.

Objective To explore role of 64-slices spiral CT in differetiation of acute chest pains.Methods Thirty six patients with acute chest pains were performed 64-slices spiral CT chest angiography.Two-dimensional and three-dimensional reconstruction was performed in all patients by means of multiplanar reconstruction(MPR)(coronal,sgittal oblique),curved planar reformation(CPR), maximum intensity projection(MIP),and volume rendering(VR).All images were blindly reading by two experienced radiologist.DSA were performed at the same time in 16 cases.Results The coronary artery branches,pulmonary artery and aortic artery in all patients were showed clearly,The acute myocardial infarction were showed in 10 cases,The pulmonary artery embolism in 14 cases,The aortic dissection in 6 cases respectively,The Coronary embolism in One case ,pneumothorax In One case The constrictive pericarditis in 1 case respectively.Normal findings in 4 cases.Conclusion 64-slices spiral CT is a useful and noninvasive examination in acute chest pain.

Objective To study the sensitivity and specificity of gold-immunochromatography assay (GICA) for detection of Yersiniapestis(Y. pestis ) F1 antigen. Methods Viscera organ(liver and spleen) specimens of 308 mice with virulent Y. pestis infection and 225 control specimens of rats(217 Spermophilus dauricus, 5 mice,3 guinea pigs) were detected by GICA dipstick with monoclonal antibody against plague F1 antigen (F1MAb).Meanwhile, micro-method of reverse indirect hemagglutination assay(RIHA) and bacteria culture were carried out for parallel testing. Results Bacteriological examination of 225 control specimens, and F1 antigen detected with GICA and RIHA were all negative. No cross-reaction with related Yersinia pseudotuberculosis at 1 x 108 cfu/ml level was found in GICA and RIHA. Detection sensitivity of Y. pestis by GICA and RIHA were 2.5 × 105 cfu/ml and 2.0 × 105 cfu/ml, respectively, and of F1 antigen were 1μg/L and 10 μg/L, respectively. Coincidence was 97.94% (522/533) between GICA and bacteriological test, Kappa = 0.959, and the difference was statistically insignificant(x2 = 0.36, P ＞ 0.05); and 97.94%(522/533) between GICA and RIHA, Kappa = 0.959, with statistically significant difference in the positive detection rates(x2 = 9.09, P ＜ 0.05). Out of the 308 infected mice, 284 were positive of plague bacterial cultured, In 284 samples with positive bacterial culture, there were 280 of positive detected by GICA for F1 antigen, positive rate of F1 antigen was 98.59%, higher than that by RIHA[the positive rate of 96.13%(522/533)], with statistically significant difference(x2 = 5.14, P ＜ 0.05). Sensitivity of GICA was 98.59% (280/284), specificity was 97.19% (242/249), positive predictive value (PPV) was 97.56% (280/287),negative predictive value ( NPV ) was 98.37% (242/246), and Youden index was 0.9578. Conclusions GICA is sensitive and specific, fast and simple in detection of F1 antigen of the plague. It's a valuable detection technique for early and rapid diagnosis of plague.

BACKGROUNDImpaired exercise capacity is one of the most common clinical manifestations in patients with chronic heart failure (CHF). The severity of reduced exercise capacity is an indicator of disease prognosis. The aim of the current study was to investigate the association between left heart size and mass with exercise capacity.

METHODSA total of 74 patients were enrolled in the study, with 37 having congestive heart failure (left ventricular ejection fraction (LVEF) < 0.45) and the other 37 with coronary heart disease (by coronary angiography) serving as the control group (LVEF > 0.55). Echocardiography and cardiopulmonary exercise test were performed. The multiply linear regression model was used to evaluate the association between echocardiogrphic indices and exercise capacities.

RESULTSThe study showed that left ventricular end diastolic/systolic diameter (LVEDD/LVESD), left atrial diameter (LAD) and left ventricular mass index (LVMI) were significantly enlarged in patients with chronic heart failure compared with controls (P < 0.01). The VO(2)AT, Peak VO(2), Load AT, and Load Peak in chronic heart failure patients were also significantly reduced compared with controls (P < 0.05), VE/VCO(2) slope was increased in patients with chronic heart failure (P < 0.01). Multivariate linear regression analysis indicated that the patients' exercise capacity was significantly associated with the left heart size and mass, however, the direction and/or strength of the associations sometimes varied in chronic heart failure patients and controls. Load AT correlated negatively with LVEDD in chronic heart failure patients (P = 0.012), while Load AT correlated positively with LVEDD in control patients (P = 0.006). VE/VCO(2) slope correlated positively with LAD (B = 0.477, P < 0.0001) in chronic heart failure patients, while the VE/VCO(2) slope correlated negatively with LAD in control patients (P = 0.009).

CONCLUSIONThe study indicates that the size of LVEDD and LAD are important determinants of exercise capacity in patients with CHF, which may be helpful to identify exercise tolerance for routine monitoring of systolic heart failure.

Aged ; Cardiac Volume ; physiology ; Echocardiography ; Exercise Test ; Exercise Tolerance ; physiology ; Female ; Heart Failure ; physiopathology ; Heart Ventricles ; diagnostic imaging ; pathology ; physiopathology ; Humans ; Male ; Middle Aged ; Radiography

OBJECTIVETo investigate the effect of the combination therapy of biofeedback with electrical stimulation on chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) through clinical trials.

METHODSA total of 140 cases of diagnosed CP/CPPS were randomly divided into a control group (n = 20), a biofeedback group (BF, n = 40), an electrical stimulation group (ES, n = 40), and a biofeedback plus electrical stimulation group (BF + ES, n = 40). The latter three groups were treated by corresponding methods 5 times a week for 2 weeks, while the controls left untreated. After the treatment, all the patients were followed up for 30 days. The NIH chronic prostatitis symptom index (NIH-CPSI) scores and the results of uroflowmetry were obtained and compared before and after the treatment.

RESULTSCompared with the control group, the scores on pain, urinary symptoms and quality of life (QOL) and the total NIH-CPSI scores were obviously decreased (P < 0.05), and the maximum flow rate (MFR) markedly improved (P < 0.05) in the BF, ES and BF + ES groups after the treatment, with significant differences between the former two and the latter one (P < 0.05), but not between the BF and ES groups (P > 0.05), nor in the control group before and after the treatment (P > 0.05).

CONCLUSIONThe combination therapy of biofeedback with electrical stimulation has a synergistic effect on CP/CPPS by alleviating pain and urinary symptoms, improving QOL and elevating MFR.

Adolescent ; Adult ; Biofeedback, Psychology ; Chronic Disease ; Electric Stimulation ; Humans ; Male ; Middle Aged ; Pelvic Pain ; therapy ; Prostatitis ; therapy ; Syndrome ; Young Adult

Aim To study the effect of Guben Yanling pills on liver aging in aging mice and the related mech-anism.Methods The mice were randomly divided in-to blank control group,model group,vitamin E group(0.1 g·kg-1)and low,medium and high dose groups(0.59,1.17,2.34 g·kg-1)of Guben Yan-ling pills.The aging mouse model was established by subcutaneous injection of D-galactose(150 mg·kg-1)into the back of neck.At the same time of mod-eling,the corresponding drugs were given by gavage once a day for six weeks.The main organ indexes were calculated.HE staining was used to observe the mor-phology of liver tissue.Colorimetry was used to detect the activity of β-galactosidase in liver.ELISA was used to detect the content of TNF-α,IL-1 β,IL-6,IL-4,IL-10.Western blot was used to detect the protein relative expression level of IKKβ,Iκ Bα,NF-κB p65.Immunofluorescence was used to detect the expression level of NF-κB p65.Results Compared with the blank control group,the organ index of the brain,liv-er,kidney,spleen,and thymus in the model group decreased(P＜0.05,P＜0.01),the activity of β-galactosidase increased(P＜0.01),liver tissue mor-phology and structure were significantly damaged,the content of TNF-α,IL-1 β and IL-6 increased(P＜0.01),the content of IL-4 and IL-10 decreased(P＜0.01),the levels of IKKβ,NF-κB p65 in-creased(P＜0.01),the levels of IKBα decreased(P＜0.01),and the levels of NF-κB p65 in nucleus increased(P＜0.01).Compared with the model group,the organ indexes of brain,liver,kidney,spleen,and thymus in each dose group of Guben Yan-ling pills increased(P＜0.05,P＜0.01),the activity of β-galactosidase decreased(P＜0.01),the morpho-logical and structural damage of liver tissue was signifi-cantly improved,the content of TNF-α,IL-1 β and IL-6 decreased(P＜0.01),the content of IL-4 and IL-10 increased(P＜0.01),the levels of IKKβ,NF-κB p65 decreased(P＜0.01),the levels of IκBα in-creased(P＜0.01),and the levels of NF-κB p65 in nucleus decreased(P＜0.01).Conclusions Guben Yanling pills can antagonize liver aging in mice,and its mechanism may be related to inhibiting the activa-tion of NF-κB signaling pathway in liver,downregulat-ing downstream pro-inflammatory factor levels,upregu-lating anti-inflammatory factor levels,and alleviating inflammation in liver.

OBJECTIVETo provide evidence for more accurate diagnosis of birth defects based on the pathoanatomy of congenital malformations.

METHODSData used in this study were obtained from Luliang City Hospital and three county hospitals of Shanxi province between February 2004 and March 2006. Autopsy and pathological examination of 160 dead fetuses and stillbirths were performed. Photos of dead fetuses and stillbirths were taken, tissues were cut into sections for pathological examination under microscope, all pathological information was recorded, and percentage of birth defects was calculated.

RESULTSThe proportion of dead fetuses and stillbirths with or without congenital malformations was 84.4% (135/160) and 15.6% (25/160), respectively. There were 16 categories of major external and internal birth defects in 135 cases of such defects. Congenital heart defects, anencephaly and spina bifida had a higher prevalence rate in the study period. The prevalence rate of non-malformation death and birth defects < 28 gestational weeks and internal anomalies > or = 28 gestational weeks was 14.61% (61/4175) and 17.25% (72/4175), respectively. A total of 413 in situ anomalies were found in 135 cases of autopsy. Spina bifida, anencephaly, congenital heart defects, aplasia or accessory lobe of lung, renal agenesis and dysplasis and congenital hydrocephaly were more closely associated with severe malformations than with mitis malformations. The cases of dead fetuses and stillbirths with multiple malformations (> or = 2 in situ anomalies) had a higher proportion (74.1%), whereas those with isolated malformations had a lower proportion (25.93%).

CONCLUSIONThe occurrence of congenital malformations in different embryonic developmental stages affects multiple organs. Postmortem examination of internal and multiple malformations of fetal deaths and stillbirths can provide more accurate diagnostic information for birth defects.

Cause of Death ; China ; epidemiology ; Congenital Abnormalities ; diagnosis ; epidemiology ; Female ; Humans ; Infant, Newborn ; Male ; Population Surveillance ; Pregnancy ; Stillbirth

OBJECTIVETo explore the efficacy and safety of vitamin D (VD) in the treatment of idiopathic oligoasthenozoospermia.

METHODSThis study included 86 infertile men with idiopathic oligoasthenozoospermia, who were randomized to a VD and a control group of equal number, the former given oral VD 200 IU/d and calcium 600 mg/d,qd, while the latter administered oral vitamin E 100 mg and vitamin C 100 mg, tid. After 3 months of medication, we compared the semen parameters, adverse reactions, and pregnancy rate between the two groups.

RESULTSAfter medication, the count of progressively motile sperm per ejaculate was increased from (9.82 ± 3.72) x 10(6) to (21.47 ± 6.52) x 10(6) ( P < 0.05) and the proportion of progressively motile sperm from (18.41 ± 9.82)% to (28.27 ± 4.47)% (P < 0.05) in the VD group. In comparison, the count of progressively motile sperm per ejaculate was elevated from (9.51 ± 6.31) x 10(6) to (12.36 ± 4.43) x 10(6) (P > 0.05) and the proportion of progressively motile sperm from (17.79 ± 5.25)% to (21.35 ± 2.41)% (P > 0.05) in the control group. Pregnancy was achieved in 7 cases (16.3%) in the VD group, but only lease (2.3%) in the control (P < 0.05). No adverse reactions were observed in either of the groups.

CONCLUSIONVitamin D, as a safe option for the treatment of idiopathic oligoasthenozoospermia, can effectively improve the semen quality, especially the progressive sperm motility of the patient.

Administration, Oral ; Adult ; Asthenozoospermia ; drug therapy ; Female ; Humans ; Male ; Pregnancy ; Pregnancy Rate ; Semen ; drug effects ; physiology ; Semen Analysis ; Sperm Motility ; drug effects ; Vitamin D ; therapeutic use ; Vitamin E ; therapeutic use ; Vitamins ; therapeutic use

OBJECTIVETo compare humoral immune response by co-inoculating mice with antigen HPV16L1 virus-like particle (VLP) and HPV16L1 recombinant plasmids and then observing the neutralizing antibody activity in vitro.

METHODSC57BL/6 mice were injected intramuscularly/subcutaneously with pcDNA-L1 plasmids plus HPV16L1 VLP. Serum IgG levels were detected by ELISA, antibody neutralizing protective activities were determined by hemagglutination inhibition and HPV16L1 VLP binding inhibition assay.

RESULTSSerum antibody titers and neutralizing antibody activities were increased in HPV16L1 plasmids plus HPV16L1 VLP proteins in co-immunized mice when compared with controls.

CONCLUSIONCo-inoculation of the HPV16L1 VLP protein can enhance production of neutralizing antibody activities against aimed antigen, which should be a more promising strategy for effective HPV16 prophylactic vaccine development.

Animals ; Antibodies, Viral ; blood ; Capsid Proteins ; genetics ; immunology ; Erythrocyte Aggregation ; Genes, Viral ; HeLa Cells ; Human papillomavirus 16 ; genetics ; immunology ; Humans ; Immunization ; Immunoglobulin G ; blood ; Mice ; Mice, Inbred C57BL ; Neutralization Tests ; Oncogene Proteins, Viral ; genetics ; immunology ; Plasmids ; Recombinant Proteins ; immunology

OBJECTIVETo introduce individualized 3-dimensional (3-D) reconstruction of maxillary defect by prefabricated titanium mesh combined with pedicled buccal fat pad flap (PBFPF) and bone autograft.

METHODSSince May, 2001, 16 patients with maxillary defect resulted from tumor or trauma were treated. The 3-D models were created through 3-D CT and rapid prototype technique. The maxilla on the unaffected side was copied to the affected side by CAD/CAM. Then the titanium mesh was prefabricated accurately on the 3-D model. The PBFPF served as lining of the titanium mesh and the autogenous bone graft was used to reconstruct the shape and function of maxilla.

RESULTSThe duration of follow-up was 6 to 36 months. All the wounds healed primarily with good facial symmetry. No food reflux to nasal cavity was observed. The dentitions in 8 of 16 cases were restored with good function by removable partial denture. They could have normal diet and were articulate. Nasopharyngoscopy showed normal tissue lining of the titanium mesh 5-12 months after operation in 3 cases.

CONCLUSIONSSatisfactory aesthetic and functional result can be achieved with this 3-D reconstruction method for maxilla defect. The PBFPF was insert better titanium mesh and mucous of maxilla sinus to avoid exposure of titanium mesh. The fat pad flap with blood supply promotes wound healing and helps partially restoring the function of the maxillary sinus.

Adipose Tissue ; transplantation ; Adolescent ; Adult ; Bone Transplantation ; Cheek ; Female ; Humans ; Male ; Maxilla ; abnormalities ; surgery ; Maxillary Neoplasms ; surgery ; Middle Aged ; Surgical Flaps ; Titanium ; therapeutic use ; Transplantation, Autologous ; Young Adult